LM2593HVS-5.0/NOPB National Semiconductor, LM2593HVS-5.0/NOPB Datasheet
LM2593HVS-5.0/NOPB
Specifications of LM2593HVS-5.0/NOPB
*LM2593HVS-5.0/NOPB
LM2593HVS-5.0
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LM2593HVS-5.0/NOPB Summary of contents
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... Typical Application (Fixed Output Voltage Versions) SIMPLE SWITCHER ® and Switchers Made Simple ® are registered trademarks of National Semiconductor Corporation. © 2001 National Semiconductor Corporation Power Converter 150 kHz 2A ® Features n 3.3V, 5V, and adjustable output versions n Adjustable version output voltage range, 1.2V to 57V ± ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Maximum Supply Voltage ( /SS Pin Input Voltage (Note 2) Delay Pin Voltage (Note 2) Flag Pin Voltage Feedback Pin Voltage Output Voltage to Ground (Steady State) ...
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LM2593HV-ADJ Electrical Characteristics Specifications with standard type face are for T ture Range. Symbol Parameter Efficiency V = 12V All Output Voltage Versions Electrical Characteristics Specifications with standard type face are for T ture Range. Unless otherwise specified, ...
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... Note 14: Junction to ambient thermal resistance with the TO-263 package tab soldered to a single sided printed circuit board with 2.5 in Note 15: Junction to ambient thermal resistance with the TO-263 package tab soldered to a double sided printed circuit board with 3 in the LM2593HVS side of the board, and approximately 16 in model in Switchers Made Simple available at http://power.national.com. ...
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Typical Performance Characteristics Normalized Output Voltage 10133302 Switch Saturation Voltage 10133305 Operating Quiescent Current 10133308 (Circuit of Figure 1 ) Line Regulation 10133303 Switch Current Limit 10133306 Shutdown Quiescent Current 10133309 5 Efficiency 10133304 Dropout Voltage 10133307 Minimum Operating Supply ...
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Typical Performance Characteristics Feedback Pin Bias Current 10133311 Soft-start 10133314 Soft-start Response 10133318 www.national.com (Circuit of Figure 1 ) (Continued) Flag Saturation Voltage 10133312 Shutdown /Soft-start Current 10133315 Shutdown/Soft-start Threshold Voltage Internal Gain-Phase Characteristics 10133353 6 Switching Frequency 10133313 Delay ...
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... Load Transient Response for Discontinuous Mode V = 20V ESR = µH, C Horizontal Time Base: 200 µs/div. 10133321 A: Output Voltage, 100 mV/div. (AC) B: 500 Load Pulse 10133350 Order Number LM2593HVS-3.3, LM2593HVS-5.0, See NS Package Number TS7B 7 = 20V 5V 500 mA OUT LOAD = 330 µF, C ESR = 45 m OUT ...
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Test Circuit and Layout Guidelines Component Values shown are for V = 15V 5V 2A. OUT LOAD C — 470 µF, 50V, Aluminum Electrolytic Nichicon “PM Series” — 220 µF, 25V Aluminum Electrolytic, ...
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Block Diagram PIN FUNCTIONS +V (Pin 1) — This is the positive input supply for the IC IN switching regulator. A suitable input bypass capacitor must be present at this pin to minimize voltage transients and to supply the switching ...
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PIN FUNCTIONS (Continued) Note If any of the above three features (Shutdown /Soft-start, Error Flag, or Delay) are not used, the respective pins can be left open. www.national.com FIGURE 2. Soft-Start, Delay, Error Output 10 10133331 ...
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INDUCTOR VALUE SELECTION GUIDES (For Continuous Mode Operation) FIGURE 3. Timing Diagram for 5V Output FIGURE 4. LM2593HV-3.3 11 10133332 10133365 www.national.com ...
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INDUCTOR VALUE SELECTION GUIDES www.national.com (For Continuous Mode Operation) (Continued) FIGURE 5. LM2593HV-5.0 FIGURE 6. LM2593HV-ADJ 12 10133366 10133367 ...
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INDUCTOR VALUE SELECTION GUIDES Coilcraft Inc. Coilcraft Inc., Europe Pulse Engineering Inc. Pulse Engineering Inc., Europe Renco Electronics Inc. Schott Corp. Cooper Electronic Tech. (Coiltronics) FIGURE 8. Contact Information for Suggested Inductor Manufacturers (For Continuous Mode Operation) (Continued) FIGURE 7. ...
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Application Information INDUCTOR SELECTION PROCEDURE Application Note AN-1197 titled ’Selecting Inductors for Buck Converters’ provides detailed information on this topic. For a quick-start the designer may refer to the nomographs pro- vided in Figure 4 to Figure ...
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Application Information Therefore, looking at Figure 4 we quick-select a 47µH/2A inductor (designed for 150 kHz operation) for this applica- tion should confirm that it is rated to handle 200 µJ (see Figure the procedure ...
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Application Information FIGURE 9. Typical Circuit Using Shutdown /Soft-start and Error Flag Features FIGURE 10. Inverting −5V Regulator With Shutdown and Soft-start lNVERTING REGULATOR The circuit in Figure 10 converts a positive input voltage to a negative output voltage with ...
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Application Information suming 100% efficiency, which is never so. Therefore expect additional 10-20% higher than calculated from PEAK the above equation. The reader is also referred to Application Note AN-1157 for examples based on positive to ...
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... PC board with large copper areas and/or airflow are recommended. The curves shown in Figure 15 show the LM2593HVS (TO-263 package) junction temperature rise above ambient temperature with a 2A load for various input and output voltages ...
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Application Information FIGURE 15. Junction Temperature Rise, TO-263 Layout Suggestions As in any switching regulator, layout is very important. Rap- idly switching currents associated with wiring inductance can generate voltage transients which can cause problems. For minimal inductance and ground ...
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Physical Dimensions unless otherwise noted Order Number LM2593HVT-3.3, LM2593HVT-5.0 or LM2593HVT-ADJ www.national.com inches (millimeters) 7-Lead TO-220 Bent and Staggered Package NS Package Number TA07B 20 ...
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... Physical Dimensions Order Number LM2593HVS-3.3, LM2593HVS-5.0 or LM2593HVS-ADJ LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or ...